class Settings():
    '''save game settings'''

    def __init__(self):
        '''初始化游戏的设置'''
        # 屏幕的设置
        self.screen_area = (1200, 800)
        self.bg_color = (240, 240, 240)
        self.ship_speed = 2

        # 子弹设置
        self.bullet_speed = 1
        self.bullet_width = 3
        self.bullet_height = 15
        self.bullet_color = (60, 60, 60)
